Search a number
-
+
12220211001200 = 245272294226107
BaseRepresentation
bin1011000111010011110101…
…0101011111011101110000
31121021020111111221000202212
42301310331111133131300
53100203443004014300
641553515404031252
72400611135440166
oct261647525373560
947236444830685
1012220211001200
113991620591384
121454437b32528
136a8490023167
14303665dcd236
15162d208de935
hexb1d3d55f770

12220211001200 has 60 divisors (see below), whose sum is σ = 29363125167240. Its totient is φ = 4887407066880.

The previous prime is 12220211001139. The next prime is 12220211001241. The reversal of 12220211001200 is 210011202221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 778547 + ... + 5004653.

It is an arithmetic number, because the mean of its divisors is an integer number (489385419454).

Almost surely, 212220211001200 is an apocalyptic number.

12220211001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220211001200 is an abundant number, since it is smaller than the sum of its proper divisors (17142914166040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220211001200 is a wasteful number, since it uses less digits than its factorization.

12220211001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233354 (or 4233343 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12220211001200 its reverse (210011202221), we get a palindrome (12430222203421).

The spelling of 12220211001200 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 7229 14458 28916 36145 57832 72290 115664 144580 180725 289160 361450 578320 722900 1445800 2891600 4226107 8452214 16904428 21130535 33808856 42261070 67617712 84522140 105652675 169044280 211305350 338088560 422610700 845221400 1690442800 30550527503 61101055006 122202110012 152752637515 244404220024 305505275030 488808440048 611010550060 763763187575 1222021100120 1527526375150 2444042200240 3055052750300 6110105500600 12220211001200